Computer Knowledge

Computer Networks

2,461 Questions

Computer networks involve the architecture, protocols, and security measures used for digital communication. This collection covers OSI model layers, IP addressing, data transmission, and cryptographic standards. These concepts are vital for the computer knowledge sections of banking and government exams.

OSI model layersNetwork protocolsIP subnet maskingData encryption standardsServer configurationsNetwork commands

Computer Networks Questions

Multiple choice

Which protocol is used for assigning IP addresses to devices on a network automatically, simplifying network configuration?

  1. DNS

  2. DHCP

  3. NTP

  4. Bonjour
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DHCP (Dynamic Host Configuration Protocol) is used for assigning IP addresses to devices on a network automatically. It simplifies network configuration by dynamically assigning IP addresses to devices, eliminating the need for manual configuration.

Multiple choice

Which protocol is used for transmitting voice and video data over a network, enabling real-time communication?

  1. RTP

  2. TCP

  3. UDP

  4. HTTP
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

RTP (Real-time Transport Protocol) is used for transmitting voice and video data over a network, enabling real-time communication. It provides a standardized method for delivering real-time data with low latency and jitter.

Multiple choice

How can the internet industry contribute to the responsible use of nuclear energy?

  1. Investing in Research and Development for Safer Nuclear Technologies

  2. Promoting Energy Efficiency and Conservation Measures

  3. Supporting Policies that Encourage the Safe and Sustainable Use of Nuclear Energy

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The internet industry can contribute to the responsible use of nuclear energy by investing in research and development for safer nuclear technologies, promoting energy efficiency and conservation measures, and supporting policies that encourage the safe and sustainable use of nuclear energy.

Multiple choice

What is the purpose of the MOST (Media Oriented Systems Transport) protocol in automotive networks?

  1. Powertrain control

  2. Multimedia and infotainment applications

  3. Safety and security systems

  4. Engine management
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The MOST protocol is primarily used for multimedia and infotainment applications in automotive networks, enabling the transmission of audio, video, and data for entertainment and communication purposes.

Multiple choice

Which protocol is commonly used for safety-critical applications in automotive networks, such as airbags and anti-lock braking systems?

  1. Controller Area Network (CAN)

  2. Local Interconnect Network (LIN)

  3. FlexRay

  4. Time-Triggered Protocol (TTP)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Time-Triggered Protocol (TTP) is a deterministic protocol designed for safety-critical applications in automotive networks, providing reliable and predictable communication for systems that require precise timing and fault tolerance.

Multiple choice

Which of the following is a common network protocol used for data transmission over the internet?

  1. TCP

  2. UDP

  3. HTTP

  4. FTP
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

TCP (Transmission Control Protocol) is a widely used network protocol that ensures reliable data transmission over the internet. It establishes a connection between two devices and guarantees that data is delivered in the correct order and without errors.

Multiple choice

Which of the following is NOT a common type of data breach?

  1. Phishing

  2. Malware

  3. SQL injection

  4. Buffer overflow
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Phishing is a type of cyber attack, not a data breach.

Multiple choice

What is the role of the Network Slice Subnet Manager (NSSM) in network slicing?

  1. To manage and allocate IP addresses to network slices

  2. To provide connectivity between network slices

  3. To ensure isolation between network slices

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Network Slice Subnet Manager (NSSM) is responsible for managing and allocating IP addresses to network slices.

Multiple choice

Which of the following is NOT a common type of cybersecurity vulnerability?

  1. Buffer overflow

  2. Cross-site scripting

  3. Man-in-the-middle attack

  4. Social engineering
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Social engineering is a type of attack that targets human behavior rather than technical vulnerabilities.

Multiple choice

Which of the following is NOT a common type of supply chain attack?

  1. Software tampering

  2. Dependency confusion

  3. Typosquatting

  4. Man-in-the-middle attack
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Man-in-the-middle attack is not a common type of supply chain attack. It occurs when an attacker intercepts communications between two parties and impersonates one of them.

Multiple choice

Which IETF RFC defines the Border Gateway Protocol (BGP) used in IaaS networks?

  1. RFC 1771

  2. RFC 2544

  3. RFC 4271

  4. RFC 6996
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

RFC 4271 defines the Border Gateway Protocol (BGP) version 4, which is widely used for routing in IaaS networks.

Multiple choice

Which protocol is primarily responsible for routing data packets across a network?

  1. TCP

  2. UDP

  3. IP

  4. HTTP
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Internet Protocol (IP) is responsible for routing data packets across a network, ensuring that they reach their intended destinations.

Multiple choice

Which of the following is a common application layer protocol used for transferring web pages?

  1. TCP

  2. UDP

  3. HTTP

  4. FTP
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

HTTP (Hypertext Transfer Protocol) is an application layer protocol used for transferring web pages and other resources over the internet.

Multiple choice

Which of the following is a common network security protocol used to encrypt data?

  1. TCP

  2. UDP

  3. SSL/TLS

  4. HTTP
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

SSL/TLS (Secure Sockets Layer/Transport Layer Security) is a network security protocol that encrypts data transmitted between two devices, ensuring secure communication.

Multiple choice

Which of the following is a common network management tool used to monitor and troubleshoot network issues?

  1. Ping

  2. Traceroute

  3. Wireshark

  4. Network Performance Monitor
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Wireshark is a network management tool that allows users to capture and analyze network traffic, helping to identify and troubleshoot network issues.